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Multiple models matched. Select your model to confirm fit.

MTD flange lock nut, 5/16-18.

MTD flange lock-nut, 1/4-20.

MTD flange lock nut, 5/8-18. This nut should be replaced if it has been removed.

Nut hex flange

Lock nut, 3/8-16

Nut-flange lock

Nut hex flng 5/16-18

Nut-flange

Flange lock nut

Flange lock nut, 7/16-20
Ensure your Murray String Trimmer operates at peak performance with genuine OEM flange nut replacements from Repair Clinic. Our flange nuts are designed to fit precisely, maintaining the manufacturer's warranty and ensuring your equipment functions as intended. When replacing flange nuts, it's crucial to use high-quality parts to prevent potential damage or operational issues. Repair Clinic offers a vast selection of replacement repair parts to meet your needs. For other related parts, explore our range of Murray String Trimmer parts to keep your equipment in top shape.
Common issues with string trimmers, like the trimmer head failing to spin or the line not feeding, can often be traced back to worn or incorrectly fitted parts. Address these with high-quality replacements for a reliable fix.
Looking for a replacement flange nut for your Murray string trimmer? Here are some frequently asked questions to help you with your repair process.
To replace the flange nut, first, ensure the trimmer is off and the spark plug is disconnected. Remove the trimmer head to access the flange nut. Use a wrench or socket to remove the old nut and replace it with a new one, ensuring it is tightened securely.
Repair Clinic offers a wide selection of genuine OEM Murray flange nuts. Shop lawn equipment parts online for fast shipping and competitive prices.
If the trimmer head won't spin, it could be due to a broken clutch or damaged drive shaft. Inspect these parts and replace them as necessary. A worn flange nut may also cause issues, so ensure it is properly secured.
Repair Clinic is a trusted online retailer offering a price match guarantee on all genuine OEM replacement parts. With same-day shipping and a 365-day return policy, you can confidently purchase your Murray string trimmer flange nut and other parts. Explore their extensive repair resources to fix your lawn equipment efficiently.
For more parts, visit our page for Stihl string trimmer parts to explore additional options.


Keep your Murray string trimmer in top condition with our easy online ordering for flange nut replacements. Whether you're a homeowner or a professional technician, finding the right parts has never been easier. Our same-day shipping ensures you receive your genuine OEM flange nut quickly, so you can get back to maintaining your lawn without delay. Use our model or part number lookup to find the exact flange nut you need, and enjoy our No-Hassle 365-Day Returns and Price Match Guarantee. If your string trimmer won't start or the head won't spin, a faulty flange nut might be the culprit. Replace it today to restore your trimmer's performance. For more detailed repair guidance, visit our String Trimmer Repair Help page. For additional Murray string trimmer parts, check out our Murray String Trimmer Parts section.
To ensure you get the right replacement for your string trimmer flange nut, it's crucial to locate your string trimmer's model number. This number is often found on a label near the engine or on the trimmer shaft. With the model number, you can easily look up the exact flange nut or any other replacement string trimmer parts online. This simplifies the process of ordering and ensures compatibility with your equipment.
For broader maintenance needs, explore our wide selection of Homelite String Trimmer Parts. Stay prepared for any repair to keep your equipment running efficiently.

At Repair Clinic, we're dedicated to helping homeowners and professional technicians find the right String Trimmer flange nut replacement parts. With our user-friendly model/part number lookup, you can easily locate and order genuine OEM parts online. Our customer service is available seven days a week, offering live chat for quick support. Common issues like a String Trimmer that won't start or stalls can often be resolved by replacing the spark plug or cleaning the carburetor. Our no-hassle 365-day returns and price match guarantee ensure you get the best deal. Enjoy DIY-friendly repair guides and videos in our String Trimmer Repair Help section. Trust Repair Clinic to provide expert troubleshooting assistance and empower you to tackle repairs confidently. Visit our website to learn more about our extensive selection of String Trimmer parts online. For more information on our offerings, check out Repair Clinic.

Learn the correct way to replace your string trimmer line for optimal performance. Follow these simple steps to ensure smooth trimming and prevent frustrating tangles or breakage.

Is your string trimmer head not spinning? Common causes include a worn drive shaft, faulty clutch, broken trimmer head, or tangled line. Diagnose and fix the issue with these expert tips.

A faulty spark plug can cause engine misfires, hard starts, rough idling, or power loss. Learn how to recognize bad spark plug symptoms and when to replace them for smooth operation.